| 摘要 |
<p>The present invention relates to a washing machine. The washing machine includes a drum unit 10, wherein a drum 11 in which the washing is contained and that is rotated, an inflow line 12 for introducing water into the drum 11 and an outflow line 13 for discharging water therein are connected to the drum unit 10; a water supply unit 20 including a water tank 21 for storing a certain amount of water therein, a first forced pump 22 for forcibly sending the water of the water tank 21, a heat exchanger 23 for cooling the forcibly sent water, a first valve V1 for turning on/off the connection to the inflow line 12, and a second valve V2 disposed between a line between the heat exchanger 23 and the first valve V1 and the water tank 21, wherein the second valve V2 is turned on/off so that the water sent from the water tank 21 circulates to the water tank 21; a water circulation unit 30 including a second forced pump 32 for forcibly sending the water discharged from the outflow line 13, and a check valve 33 for making the water sent from the second forced pump 32 flow toward the inflow line 12 only; and a drain valve 40 for discharging the water discharged from the outflow line 13.</p> |
